Postal entity record
US 60304 Postal Code Data Source-backed
60304 postal code facts for Oak Park, US: region, coordinates, source, and nearby postal codes.
CountryUS
PlaceOak Park
RegionIL
Nearby rows12
Key metadata
| Place | Oak Park |
|---|---|
| Admin area | Illinois / IL |
| Local area | Cook |
| Coordinates | 41.8725, -87.7877 |
| GeoNames accuracy | 4 |
| Source | GeoNames postal code data |
| License | GeoNames postal data; provided as-is with attribution required. |
| Snapshot date | 2026-06-02 |
What this record means
This row links US 60304 to Oak Park, the available admin area, centroid coordinates, source accuracy, and source snapshot metadata.
Use it as a reference-data join for cleaning CRM rows, grouping operational reports, preparing territory QA, or checking whether an imported postal value has a source-backed match.
What the centroid can support
The latitude and longitude represent a postal centroid from the source snapshot. They are useful for approximate map previews, nearby-record review, deduplication checks, and distance-based QA.
They should not be treated as an official delivery boundary, address-level geocode, tax boundary, or service-area guarantee.
Sample CSV enrichment output
| Input field | Added output | Example value |
|---|---|---|
| postal_code | matched_place | Oak Park |
| postal_code | admin_area | Illinois |
| postal_code | centroid | 41.8725, -87.7877 |
Nearby postal codes
| Code | Place | Region | Distance |
|---|---|---|---|
| 60303 | Oak Park | Illinois | 0.9 mi |
| 60130 | Forest Park | Illinois | 1.2 mi |
| 60301 | Oak Park | Illinois | 1.2 mi |
| 60302 | Oak Park | Illinois | 1.4 mi |
| 60644 | Chicago | Illinois | 1.7 mi |
| 60305 | River Forest | Illinois | 2.1 mi |
| 60141 | Hines | Illinois | 2.6 mi |
| 60402 | Berwyn | Illinois | 2.6 mi |
| 60804 | Cicero | Illinois | 2.8 mi |
| 60153 | Maywood | Illinois | 2.9 mi |
| 60546 | Riverside | Illinois | 3 mi |
| 60651 | Chicago | Illinois | 3.2 mi |